World encyclopaedia.- The brain organization of the modern world.- The idea of a permanent world encyclopaedia.- Passage from a speech to the Congrès mondial de la documentation universelle, Paris, August 20th, 1937.- The informative content of education.- Appendix I: Ruffled teachers.- Appendix II: Palestine in proportion.- Appendix III: The fall in America 1937.- Appendix IV: Transatlantic misunderstandings.- Appendix V: The English speaking world: "As I see it"